Table 2. Postmortem findings of four parrots obtained during the avian chlamydiosis outbreak.

Bird no.	Gross appearance	Pathology	Specimens tested positive by Chlamydophila psittaci PCR
1	Both abdominal air sacs: multiple yellowish plaques of fibrin	Necrotising splenitis	Liver tissue, lung tissue, esophagus tissue, pharyngeal swab, conjunctival swab, cloacal swab
	Liver: numerous pale yellowish foci	Necrotising hepatitis
	Pericardium: thickened, granular and tightly adherent to the heart	Necrotising nephropathy
	Spleen: congested and swollen	No significant findings in the lung
2	Abdominal air sacs: multiple yellowish plaques of fibrin	No significant findings in heart, lung, liver, spleen, small intestine, large intestine, muscle, gizzard and air sac	Esophagus tissue and tracheal swab
	Liver: numerous pale yellowish foci
	Pericardium: thickened, granular
3	Left abdominal air sac: cloudy and thickened	Necrotising splenitis	Liver tissue, esophagus tissue, pharyngeal swab and cloacal swab
	Both lungs: greyish pink in color and rubbery to feel	No significant findings in heart, lung, liver, kidney, muscle and trachea
	Trachea: small amount of yellow caseous material
	Liver: swollen
	Pericardium: thickened, granular
	Peritoneum over the cranial pole of the left kidney: thickened and granular
	Spleen: enlarged and swollen
4	Both lungs: greyish pink in color and rubbery to feel	Necrotising splenitis	Liver tissue, pharyngeal swab, tracheal swab, conjunctival swab and cloacal swab
	Liver: swollen	Necrotising hepatitis
	Spleen: enlarged and swollen	No significant findings in the heart, lung, kidney, trachea, muscle